Water faucet



FIG. 1 is a front side perspective view of a water faucet showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

The broken lines are included for the purpose of illustrating a portion of the water faucet that forms no part of the claimed design. 

The ornamental design for a water faucet, as described and shown. 